20243151345424 has 40 divisors (see below), whose sum is σ = 45438149907200. Its totient is φ = 8556791954688.

The previous prime is 20243151345413. The next prime is 20243151345467. The reversal of 20243151345424 is 42454315134202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237953624 + ... + 1237969975.

It is an arithmetic number, because the mean of its divisors is an integer number (1135953747680).

Almost surely, 2^{20243151345424} is an apocalyptic number.

It is an amenable number.

20243151345424 is an abundant number, since it is smaller than the sum of its proper divisors (25194998561776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20243151345424 is a wasteful number, since it uses less digits than its factorization.

20243151345424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475923687 (or 2475923681 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 20243151345424 its reverse (42454315134202), we get a palindrome (62697466479626).

The spelling of 20243151345424 in words is "twenty trillion, two hundred forty-three billion, one hundred fifty-one million, three hundred forty-five thousand, four hundred twenty-four".